<?php

namespace app\admin\controller;
use think\Controller;
class Image extends Controller
{
    public function index()
    {
        print_r($_FILES);
        if ((($_FILES["file"]["type"] == "image/gif")
        || ($_FILES["file"]["type"] == "image/jpeg")
        || ($_FILES["file"]["type"] == "image/pjpeg"))
        && ($_FILES["file"]["size"] < 20000))
        {
        if ($_FILES["file"]["error"] > 0)
            {
            echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
            }
        else
            {
            echo "Upload: " . $_FILES["file"]["name"] . "<br />";
            echo "Type: " . $_FILES["file"]["type"] . "<br />";
            echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
            echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";

            if (file_exists("upload/" . $_FILES["file"]["name"]))
            {
            echo $_FILES["file"]["name"] . " already exists. ";
            }
            else
            {
            move_uploaded_file($_FILES["file"]["tmp_name"],
            "public/uploads/" . $_FILES["file"]["name"]);
            echo "Stored in: " . "uploads/" . $_FILES["file"]["name"];
            }
            }
        }
        else
        {
        echo "Invalid file";
        }
    }
}